CVE-2007-4772

Description

The regular expression parser in TCL before 8.4.17, as used in PostgreSQL 8.2 before 8.2.6, 8.1 before 8.1.11, 8.0 before 8.0.15, and 7.4 before 7.4.19, allows context-dependent attackers to cause a denial of service (infinite loop) via a crafted regular expression.

Gravité et risque d'exploitation

CVE-2007-4772 obtient un score CVSS de 0.0/10, soit une gravité non évaluée. Selon le modèle EPSS, la probabilité qu'elle soit exploitée dans les 30 prochains jours est de 3.81 %, ce qui la place devant 89.9 % des CVE référencées.

Que faire ?

• Vérifiez si le produit concerné est présent sur votre parc.
• Appliquez le correctif ou la version corrigée indiqués dans les références de l'éditeur.
• À défaut de correctif, limitez l'exposition (filtrage réseau, désactivation du composant).
• Automatisez la détection : les agents CVE Heimdall (gratuits, open source) corrèlent l'inventaire de vos serveurs avec la base CVE.

Références

• http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00054.html
• http://www.redhat.com/support/errata/RHSA-2008-0134.html
• http://www.mandriva.com/security/advisories?name=MDVSA-2008:004
• http://www.debian.org/security/2008/dsa-1460
• http://www.vupen.com/english/advisories/2008/1744
• http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00016.html
• http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00052.html
• http://rhn.redhat.com/errata/RHSA-2013-0122.html
• http://www.securityfocus.com/bid/27163
• https://issues.rpath.com/browse/RPL-1768
• http://www.redhat.com/support/errata/RHSA-2008-0038.html
• http://secunia.com/advisories/28454
• http://www.securityfocus.com/archive/1/485864/100/0/threaded
• http://secunia.com/advisories/28359
• http://www.postgresql.org/about/news.905
• http://lists.opensuse.org/opensuse-security-announce/2008-02/msg00000.html
• http://www.vupen.com/english/advisories/2008/0061
• http://secunia.com/advisories/28679
• http://www.vupen.com/english/advisories/2008/0109
• http://www.vmware.com/security/advisories/VMSA-2008-0009.html
• http://secunia.com/advisories/28376
• http://sourceforge.net/tracker/index.php?func=detail&aid=1810264&group_id=10894&atid=110894
• http://sunsolve.sun.com/search/document.do?assetkey=1-26-103197-1
• http://secunia.com/advisories/28437
• http://secunia.com/advisories/28455
• http://secunia.com/advisories/28477
• http://secunia.com/advisories/29638
• http://secunia.com/advisories/28479
• http://sourceforge.net/project/shownotes.php?release_id=565440&group_id=10894
• http://secunia.com/advisories/29248
• https://exchange.xforce.ibmcloud.com/vulnerabilities/39497
• http://www.debian.org/security/2008/dsa-1463
• http://www.redhat.com/support/errata/RHSA-2008-0040.html
• http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00056.html
• http://www.securityfocus.com/archive/1/486407/100/0/threaded
• http://www.mandriva.com/security/advisories?name=MDVSA-2008:059
• http://secunia.com/advisories/28464
• http://secunia.com/advisories/30535
• http://secunia.com/advisories/28698
• http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01420154
• http://sunsolve.sun.com/search/document.do?assetkey=1-66-200559-1
• http://www.securityfocus.com/archive/1/493080/100/0/threaded
• https://usn.ubuntu.com/568-1/
• http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00049.html
• https://www.redhat.com/archives/fedora-package-announce/2008-January/msg00469.html
• http://secunia.com/advisories/29070
• http://secunia.com/advisories/28438
• http://securitytracker.com/id?1019157
• http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11569
• https://www.redhat.com/archives/fedora-package-announce/2008-January/msg00397.html
• http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01420154
• http://security.gentoo.org/glsa/glsa-200801-15.xml
• http://www.vupen.com/english/advisories/2008/1071/references